Spike



I. L. EDWARDS.

' SPIKE.

Feb. -13, 1923.

FILED OCT- 23, I919.

that no plu hereby ll ml n 1 l I eaae'n. nnwanneior AURORA, rizztinorel SPIKE.

Application filed Oeteher 23, 193.9. Serial No. 332,67 l.

To all 1072 0172 it may mace 1m:

t e it l-ciiown that l .e/me L, ltiiwznaie, a

eitizen oi' the Unitedv tltatee, and resident of .lllinoie, have lnvented certain new Aurora and use .hl linpro'veinente in Spikes, and (lo tleelare that the tollmving 1s a hill, elear, and eitaet leeer1ption thereojli.

My invention relates to epikee ikiir railleads and my olueet V to provide a spike,

which in the most per i. t elnhoiliniient of my invent Wlll. requiiea minimum o'l: material, tor maximum strength and llOlfllIlg power will not out or unduly laeerate the iihere oi? the tie will so interlock With the tie as not to he pulled out l'iytliejars or vihi'atione oi? the raile and which when Qt;

'lil'fillfitl will leave the tie in such cemlitien I aging oil. holeewill be necessary when the spike is again, driven into the same.

in the drawing l i g. l, is; a pen ()[l5i1l'll\"ll(:ll to attaih tion;

Fig.

apeetive 'VlGW of a spike 2, is a horimi'zital section on line 2-2,

. Epihe hae a shank or body 10, which in cross seeizien, 1s triangular itl'lll approximately l'ehapetl, with a head, ll of usual torn'i and 'ii'e'i'ierahly a than pointed enteringi end ll lne eitle oi the shank (eon- I'HSHOIHllYl to the outer face oi? the head oil? the 1S Hat, and that is the eicle which. eeinee next the "ail, and the stem 13 of the l hi: a series o'l. horizontal eoriu gatione 1 1: on its eitleseo that it extends vertically in a ei'niiious line, and. the stem oi. the T is Wedge shaped in cross section, its sides diverging from its outer edge and merging with the head o1|f the "it". All edges oi. the shank are Fi'j fllie I materially re'hiee the ohjectol? my invenrounded. so as to avoid the formation of any sharp corner-e that would cut or lacerate the tie fibers. i

I will he seen that When the spike is driven into the tie. the Wedge term of the item oi the erouwle the spike inet the rail, and. the eii'iuous stem of the l readily litneltL'EttGS-B the Wood. but gentlv presses the tillers apart in opposite directions; and when :hrwen heme, the fibers; press intothe cavities of the eorriwations and interlocktl'ierewith and thus firmly holi'l. the tie against aeeidental displacement; although allowing it tolie removed when neee -ieary. When With- (h'awn i mm the tie, liieealme there is no violent laceration of the wooc't, the fibers; expand into the hole and close it suilieiently to enable the rmhiviiie; oil? the e pike without plugging the hole. V l

ll reason of the triangular form of the the Weight of metal becausel eliminate the metal that oeeug'iiea two corners of the usual rectangular filJlhfB, and indicated in dotted lines inl ig. 2.

On the 'iujitlereitle oil. the spike head ll provide one or more rihe l5 that impinge or hite upon "the top of the rail base, an bl reetrain the creeping; ttauleney o'lfithe rail.

ll uee the sharp point For the spike to ease the joh of? starting the spike. I

A Hllllfl'i lut'viiuz; a rail engaging heacl anal a shank with an ctlgi e that is sinuous tranevei'eel'y the reneaining etlees oi? the shank being 'hit lengthwise Oil: the spike.

team t. meantime, 

